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公开(公告)号：US20060048752A1
公开(公告)日：2006-03-09
申请号：US10934975
申请日：2004-09-03
Applicant: Kathleen Stroia , Stephen Kempfer , Dequan Yu , Matti Vint , Ross Pursifull
Inventor： Kathleen Stroia , Stephen Kempfer , Dequan Yu , Matti Vint , Ross Pursifull
CPC classification number: F02M25/0809 , F02M25/0827 , F02M63/0215
Abstract: A fuel delivery system is provided with a fuel solenoid valve to minimize fuel leakage and evaporative emissions during diurnal cycles by preventing pressure buildup as the temperature of the fuel system rises. The fuel solenoid valve is located between a pressurized side of the delivery system and a fuel tank. In one embodiment, the fuel solenoid valve is closed when the engine is running or when the engine is off and the rail is hot. When the fuel rail cools down, the solenoid valve opens to bleed a desired amount of fuel thereby creating a fuel vapor space. Thereafter, during hot soak conditions of the diurnal cycles when the fuel rail is hot again while the engine is off, the pressure will rise due to the thermal expansion of the fuel and the created fuel vapor space minimizes further rising of the fuel pressure. Further, by adjusting the solenoid valve opening time, the pressure rising limit may be set at a desired pressure to minimize injector leakage.
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公开(公告)号：US06491028B1
公开(公告)日：2002-12-10
申请号：US09645286
申请日：2000-08-24
Applicant: Robert Duane Gaston , Dequan Yu
Inventor： Robert Duane Gaston , Dequan Yu
IPC: F02M3704
CPC classification number: F02M37/22 , B60K2015/03105 , F02M37/106 , F02M37/18 , Y10T137/8013 , Y10T137/86212
Abstract: A fuel delivery module for an automotive fuel delivery system includes a reservoir and a fuel pump. The fuel pump delivers fuel from the tank to the reservoir via a fuel tank inlet and reservoir outlet and from the reservoir to the engine via a reservoir inlet and engine outlet. The reservoir is formed with a plurality of contaminant traps for collecting contaminants contained in the fuel as the fuel is pumped through the reservoir such that the contaminants settle unto said contaminant traps thereby reducing the amount of contaminants entering the reservoir inlet.
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公开(公告)号：US5409357A
公开(公告)日：1995-04-25
申请号：US161629
申请日：1993-12-06
Applicant: Dequan Yu , Henry W. Brockner
Inventor： Dequan Yu , Henry W. Brockner
CPC classification number: F04D29/188 , F04D5/002
Abstract: A fuel pump has a motor with a shaft extending therefrom and an impeller fitted thereon for pumping fuel from a fuel tank to an internal combustion engine. A pumping chamber, which encases the impeller, is comprised of a cover channel and a bottom channel formed in a pump cover and a pump bottom, respectively. The impeller has a plurality of radially extending vanes on an outer circumference separated by partitions of shorter radial length. The partitions are comprised of quarter-circle shaped arcuate portions extending from the outer circumference of the impeller to a straight portion having parallel sides, which preferably extend approximately 0.1 millimeters to 0.5 millimeters, to a flat top with rounded corners. Fluid active vane grooves thus formed circumferentially between the vanes and axially between the partitions which reduce fuel vortices angular acceleration within the pumping chamber thus increasing pump efficiency.
Abstract translation: 燃料泵具有从其延伸的轴的马达和安装在其上的用于将燃料从燃料箱泵送到内燃机的叶轮。 包围叶轮的泵送室分别由形成在泵盖和泵底部的盖通道和底部通道构成。 叶轮在外周上具有多个径向延伸的叶片，该叶片由较短径向长度的隔板分开。 隔板由从叶轮的外周延伸到直线部分的四分之一圆弧形的弓形部分组成，平直的边缘优选地延伸约0.1毫米至0.5毫米到具有圆角的平坦的顶部。 因此，流体活动叶片槽周向地形成在叶片之间并且在分隔件之间轴向地减小燃料涡流在泵送室内的角加速度，从而提高泵效率。
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公开(公告)号：US5364238A
公开(公告)日：1994-11-15
申请号：US116842
申请日：1993-09-07
Applicant: Dequan Yu
Inventor： Dequan Yu
CPC classification number: F04D5/002 , F04D29/4273 , F04D5/007 , F05B2250/324 , F05B2250/503
Abstract: A fuel pump has a pump cover with an inlet through which fuel from a fuel tank is drawn by an impeller to a pumping chamber formed by a pump bottom and the pump cover. The inlet has divergent sides oriented such that fuel being pumped is routed radially outward of primary vortices in a section of the pumping chamber adjacent the inlet to a section of the pumping chamber opposite the inlet. In a first embodiment, the upper side of the inlet is oriented at approximately a 10 to 12 degree angle from the lower side. In a second embodiment, the upper side is oriented at approximately a 127 degree angle from a line parallel the shaft rotation, and the lower side is oriented at approximately a 139 degree angle from the same line.
Abstract translation: 燃料泵具有泵盖，其具有入口，来自燃料箱的燃料通过该入口被叶轮吸引到由泵底部和泵盖形成的泵送室。 入口具有取向的发散侧，使得被泵送的燃料在泵送室的与入口相对的一部分的入口附近的一部分中的初级涡流的径向外侧布置。 在第一实施例中，入口的上侧与下侧大约成10至12度的角度。 在第二实施例中，上侧面与平行于轴旋转的线成大约127度的角度，并且下侧被定向成与同一条线成大约139度的角度。
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公开(公告)号：US07559315B1
公开(公告)日：2009-07-14
申请号：US12029394
申请日：2008-02-11
Applicant: Dequan Yu , Sheven Sharp , Harold L. Castle , Stephen T. Kempfer , Robert Joseph Pyle
Inventor： Dequan Yu , Sheven Sharp , Harold L. Castle , Stephen T. Kempfer , Robert Joseph Pyle
CPC classification number: F02M37/048 , F02M37/20 , F02M37/22
Abstract: A rotodynamic fuel pump in a fuel delivery system for an internal combustion engine including a pump housing, a pump inlet channel extending through the housing allowing fuel to be drawn into the pump, a purge orifice extending through the housing and spaced away from the pump inlet channel, the purge orifice allowing fuel vapor to exit the pump, the purge orifice including a purge inlet, a purge outlet, and a purge channel, where the purge inlet is axially offset from the purge outlet.
Abstract translation: 用于内燃机的燃料输送系统中的旋转动力燃料泵，包括泵壳体，延伸穿过壳体的泵入口通道，允许燃料被吸入泵中;净化孔，其延伸穿过壳体并与泵入口间隔开 吹扫孔允许燃料蒸汽离开泵，净化孔包括净化入口，净化出口和净化通道，其中净化入口与净化出口轴向偏移。
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Patent Agency Ranking
6.发明授权公开(公告)号：US07066152B2
公开(公告)日：2006-06-27
申请号：US10934975
申请日：2004-09-03
Applicant: Kathleen H. Stroia , Stephen T. Kempfer , Dequan Yu , Matti K. Vint , Ross D. Pursifull
Inventor： Kathleen H. Stroia , Stephen T. Kempfer , Dequan Yu , Matti K. Vint , Ross D. Pursifull
IPC: F02M59/46
CPC classification number: F02M25/0809 , F02M25/0827 , F02M63/0215
Abstract: A fuel delivery system is provided with a fuel solenoid valve to minimize fuel leakage and evaporative emissions during diurnal cycles by preventing pressure buildup as the temperature of the fuel system rises. The fuel solenoid valve is located between a pressurized side of the delivery system and a fuel tank. In one embodiment, the fuel solenoid valve is closed when the engine is running or when the engine is off and the rail is hot. When the fuel rail cools down, the solenoid valve opens to bleed a desired amount of fuel thereby creating a fuel vapor space. Thereafter, during hot soak conditions of the diurnal cycles when the fuel rail is hot again while the engine is off, the pressure will rise due to the thermal expansion of the fuel and the created fuel vapor space minimizes further rising of the fuel pressure. Further, by adjusting the solenoid valve opening time, the pressure rising limit may be set at a desired pressure to minimize injector leakage.
Abstract translation: 燃料输送系统设置有燃料电磁阀，以通过在燃料系统的温度升高时防止压力累积来最小化燃料泄漏和昼间循环期间的蒸发排放。 燃料电磁阀位于输送系统的加压侧和燃料箱之间。 在一个实施例中，当发动机运转时或者当发动机关闭并且钢轨是热的时，燃料电磁阀关闭。 当燃料导轨冷却时，电磁阀打开以排出所需量的燃料，从而形成燃料蒸气空间。 此后，在发动机关闭时燃料轨再次热时，在昼夜循环的热浸条件下，由于燃料的热膨胀而产生的压力将上升，并且所产生的燃料蒸气空间使燃料压力的进一步上升最小化。 此外，通过调节电磁阀打开时间，可以将上压极限设定在期望的压力以使喷射器泄漏最小化。
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公开(公告)号：US6113360A
公开(公告)日：2000-09-05
申请号：US122362
申请日：1998-07-27
Applicant: Dequan Yu , Gerard Cronin , Ronald Engel
Inventor： Dequan Yu , Gerard Cronin , Ronald Engel
CPC classification number: F04C2/102 , F04C15/062 , F04C2250/101
Abstract: A gerotor pump includes a pressure relief return flow guide system, composed of two distinct structures, a pressure relief port, and a flow guide. The pressure relief port separates the pressure relief flow and inlet flow, preventing them from mixing and causing turbulence in the inlet cavities. The flow guide is located at the end of the pressure relief port and the inlet to make the two flows smoothly merge in the inlet cavities.
Abstract translation: 齿轮泵包括由两个不同结构构成的压力释放回流引导系统，压力释放口和流动引导件。 压力释放口分离压力释放流和入口流量，防止它们混入并引起入口腔中的紊流。 流动引导件位于泄压口的端部，并且入口使得两个流在入口腔中平滑地合并。
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公开(公告)号：US5762469A
公开(公告)日：1998-06-09
申请号：US880140
申请日：1997-06-20
Applicant: Dequan Yu
Inventor： Dequan Yu
CPC classification number: F04D29/188 , F02M37/08 , F04D29/2277
Abstract: An impeller for use in a regenerative pump for pumping automotive fuel to an engine includes a plurality of vanes radially extending from a core. Each vane has a leading surface, a trailing surface, and a sidewall between the leading surface and the trailing surface. A plurality of partitions is interposed between the vanes such that the vanes and partitions define a plurality of vane grooves. Fuel is then pumped by the vanes through the vane grooves such that the fuel flows along a generally spiral path thereby defining a primary vortex. A relief is formed at least partially along the length of each vane at the intersection between the trailing surface and the sidewall. This relief causes the fuel flowing along the generally spiral path, also known as the primary vortex, to also rotate about an instantaneous axis thereby defining a secondary vortex. The secondary vortex has the benefit of reducing turbulence with the attendant benefit of reducing cavitation or vapor generation within the fuel pump.
Abstract translation: 用于将汽车燃料泵送到发动机的再生泵中使用的叶轮包括从芯径向延伸的多个叶片。 每个叶片具有前表面，后表面和在前表面和后表面之间的侧壁。 多个分隔件插在叶片之间，使得叶片和隔板限定多个叶片槽。 然后，燃料通过叶片泵送通过叶片槽，使得燃料沿着大致螺旋状的路径流动从而限定初级涡流。 至少部分地沿着每个叶片的长度在后表面和侧壁之间的交叉处形成浮雕。 这种浮雕使得燃料沿着一般螺旋路径流动，也称为初级涡流，也围绕瞬时轴线旋转，从而限定二级涡流。 二次涡流有利于减少湍流，同时具有减少燃料泵内气蚀或蒸汽产生的优点。
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公开(公告)号：US5401147A
公开(公告)日：1995-03-28
申请号：US116843
申请日：1993-09-07
Applicant: Dequan Yu
Inventor： Dequan Yu
CPC classification number: F04D5/002 , F04D5/007 , F05B2250/323 , F05B2250/503
Abstract: A fuel pump has a motor which rotates a shaft with an impeller fitted thereon for pumping fuel within a pumping chamber comprised of a cover channel and a bottom channel formed in a pump cover and a pump bottom, respectively, which encase the impeller. The cover channel begins at a fuel inlet and runs circumferentially to a transition section near the opposite end where it gradually becomes narrower and shallower until becoming flush with the inner cover face. The fuel outlet in the bottom channel is positioned circumferentially 0.degree.-5.degree. beyond the end of and in partial fluid communication with the cover channel so that fuel is expelled smoothly from the cover channel through the fuel outlet.
Abstract translation: 燃料泵具有马达，该马达使安装有叶轮的轴旋转，用于在包括叶轮的泵盖和泵底部中形成的盖通道和底部通道的泵送室内泵送燃料。 盖通道从燃料入口开始，并且在相对端附近的过渡部分周向延伸，其逐渐变窄和变浅，直至与内盖面平齐。 底部通道中的燃料出口位于圆周方向0°-5°以上，并且与盖通道的部分流体连通，使得燃料通过燃料出口从盖通道平稳地排出。
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公开(公告)号：US08479709B2
公开(公告)日：2013-07-09
申请号：US12768580
申请日：2010-04-27
Applicant: Dequan Yu , Ram Alluri , Larry Castleberry , Carlos Armesto
Inventor： Dequan Yu , Ram Alluri , Larry Castleberry , Carlos Armesto
IPC: F02M55/02
CPC classification number: H02G3/32 , F16L3/2235
Abstract: A system of alternate hose line bundling allows for exclusion of a higher pressure hose line from fasteners directly attached to a vehicle body. Alternatively to mounting to the vehicle body, the higher pressure hose line is coupled to a lower pressure hose line via fasteners which lack mounting features. Eliminating attachment of higher pressure hose lines to the vehicle body reduces noise, vibration, and harshness (NVH) experienced by passengers in the vehicle.
Abstract translation: 替代软管管线捆扎系统允许从直接连接到车身的紧固件排除高压软管管线。 作为安装到车身的替代方案，高压软管管路通过缺乏安装特征的紧固件与低压软管管线连接。 消除高压软管线附着在车身上可以减轻乘客在车内遇到的噪音，振动和粗糙度（NVH）。
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